they both contract and relax to cause movement and both are uninucleated.
Heart muscles are involuntary.
The heart IS a muscle. If you're talking about skeletal muscles, then they are not all at the top of your heart (because what about your abdominal muscles, thigh muscles, calf muscles, etc?)
The Cardiac muscles are found in your heart.
heart muscles
The inflammation of the heart muscles. (Cardio = heart; myo = muscles; -itis = inflammation)
Heart muscles have their own category and are known as "cardiac muscles." The muscle layer of the heart is known as the "myometrium."
Papillary muscles are found in the heart's ventricles. They control the AV valves.
Your hands have voluntary muscles and your heart is an involuntary muscle.
Cardiac muscle is made up of striated uninucleated cells. These cells have a single nucleus and are arranged in a striated pattern, giving them a striped appearance under a microscope.
The heart as both involuntary and striated muscles. The striations are similar skeletal muscles. Heart muscles are involuntary like the muscles seen in the digestive tract, called smooth muscle.
Liver disease or smoking is a contribute to discoloration of heart muscles